No,We do not have any virtualization/simulation option for NOS. In our newer product, SLX, we have a stand alone virtual switch option but nothing that would work with GNS3.
An IP route is not the same thing as an IP address. The route simply says to send traffic destined to X network out of Y interface.Your first config would configure the physical interface with a static IP addressYour second config is incorrectly for...
Adding "vrf forwarding mgmt-vrf" to VE 100 does exactly what you are asking, Once that is configured, any port assigned VLAN 100 would be on the management VLAN. Your current IP addressing looks fine for the VE ip address 10.0.254.6/24Regarding ge...